./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f7670ede459996daea4f0d5b6d4f8f7722cb2c07f35d54c8d0ca4957e40998d --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 15:06:43,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 15:06:43,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 15:06:43,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 15:06:43,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 15:06:43,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 15:06:43,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 15:06:43,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 15:06:43,741 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 15:06:43,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 15:06:43,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 15:06:43,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 15:06:43,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 15:06:43,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 15:06:43,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 15:06:43,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 15:06:43,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 15:06:43,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 15:06:43,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 15:06:43,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 15:06:43,772 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 15:06:43,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 15:06:43,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 15:06:43,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 15:06:43,780 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 15:06:43,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 15:06:43,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 15:06:43,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 15:06:43,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 15:06:43,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 15:06:43,788 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 15:06:43,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 15:06:43,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 15:06:43,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 15:06:43,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 15:06:43,792 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 15:06:43,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 15:06:43,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 15:06:43,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 15:06:43,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 15:06:43,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 15:06:43,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 15:06:43,797 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-23 15:06:43,817 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 15:06:43,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 15:06:43,818 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 15:06:43,818 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 15:06:43,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 15:06:43,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 15:06:43,821 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 15:06:43,821 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-23 15:06:43,821 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-23 15:06:43,822 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-23 15:06:43,822 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-23 15:06:43,822 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-23 15:06:43,822 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-23 15:06:43,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 15:06:43,823 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-23 15:06:43,823 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 15:06:43,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 15:06:43,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-23 15:06:43,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 15:06:43,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-23 15:06:43,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-23 15:06:43,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-23 15:06:43,826 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-23 15:06:43,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 15:06:43,826 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-23 15:06:43,826 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 15:06:43,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-23 15:06:43,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 15:06:43,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 15:06:43,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 15:06:43,828 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 15:06:43,829 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-23 15:06:43,829 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f7670ede459996daea4f0d5b6d4f8f7722cb2c07f35d54c8d0ca4957e40998d [2022-07-23 15:06:44,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 15:06:44,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 15:06:44,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 15:06:44,065 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 15:06:44,065 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 15:06:44,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.i [2022-07-23 15:06:44,130 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4bd5e4c3/ca98521f8c514f8aaca60270d68c6d01/FLAGc559c1b0a [2022-07-23 15:06:44,495 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 15:06:44,496 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.i [2022-07-23 15:06:44,501 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4bd5e4c3/ca98521f8c514f8aaca60270d68c6d01/FLAGc559c1b0a [2022-07-23 15:06:44,511 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4bd5e4c3/ca98521f8c514f8aaca60270d68c6d01 [2022-07-23 15:06:44,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 15:06:44,515 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 15:06:44,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 15:06:44,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 15:06:44,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 15:06:44,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:06:44" (1/1) ... [2022-07-23 15:06:44,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1107aa02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:44, skipping insertion in model container [2022-07-23 15:06:44,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:06:44" (1/1) ... [2022-07-23 15:06:44,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 15:06:44,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 15:06:44,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.i[834,847] [2022-07-23 15:06:44,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:06:44,685 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 15:06:44,699 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.i[834,847] [2022-07-23 15:06:44,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:06:44,717 INFO L208 MainTranslator]: Completed translation [2022-07-23 15:06:44,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:44 WrapperNode [2022-07-23 15:06:44,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 15:06:44,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 15:06:44,719 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 15:06:44,719 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 15:06:44,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:44" (1/1) ... [2022-07-23 15:06:44,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:44" (1/1) ... [2022-07-23 15:06:44,746 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2022-07-23 15:06:44,747 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 15:06:44,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 15:06:44,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 15:06:44,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 15:06:44,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:44" (1/1) ... [2022-07-23 15:06:44,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:44" (1/1) ... [2022-07-23 15:06:44,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:44" (1/1) ... [2022-07-23 15:06:44,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:44" (1/1) ... [2022-07-23 15:06:44,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:44" (1/1) ... [2022-07-23 15:06:44,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:44" (1/1) ... [2022-07-23 15:06:44,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:44" (1/1) ... [2022-07-23 15:06:44,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 15:06:44,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 15:06:44,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 15:06:44,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 15:06:44,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:44" (1/1) ... [2022-07-23 15:06:44,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:44,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:44,816 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:44,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-23 15:06:44,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 15:06:44,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 15:06:44,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 15:06:44,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 15:06:44,906 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 15:06:44,907 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 15:06:44,975 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 15:06:44,980 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 15:06:44,981 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 15:06:44,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:06:44 BoogieIcfgContainer [2022-07-23 15:06:44,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 15:06:44,983 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-23 15:06:44,983 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-23 15:06:44,986 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-23 15:06:44,986 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:06:44,987 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.07 03:06:44" (1/3) ... [2022-07-23 15:06:44,988 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@121b90c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:06:44, skipping insertion in model container [2022-07-23 15:06:44,988 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:06:44,988 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:44" (2/3) ... [2022-07-23 15:06:44,988 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@121b90c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:06:44, skipping insertion in model container [2022-07-23 15:06:44,988 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:06:44,989 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:06:44" (3/3) ... [2022-07-23 15:06:44,990 INFO L354 chiAutomizerObserver]: Analyzing ICFG sum01_bug02_sum01_bug02_base.case.i [2022-07-23 15:06:45,035 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-23 15:06:45,036 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-23 15:06:45,036 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-23 15:06:45,036 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-23 15:06:45,036 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-23 15:06:45,036 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-23 15:06:45,037 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-23 15:06:45,037 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-23 15:06:45,040 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:45,054 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-23 15:06:45,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:06:45,054 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:06:45,058 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-23 15:06:45,058 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-23 15:06:45,058 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-23 15:06:45,058 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:45,059 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-23 15:06:45,059 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:06:45,059 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:06:45,060 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-23 15:06:45,060 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-23 15:06:45,065 INFO L752 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(36, 2); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_~i~0#1, main_~n~0#1, main_~sn~0#1;havoc main_~i~0#1;main_~n~0#1 := (if main_#t~nondet1#1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet1#1 % 4294967296 % 4294967296 else main_#t~nondet1#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet1#1;main_~sn~0#1 := 0;main_~i~0#1 := 1; 10#L24-3true [2022-07-23 15:06:45,066 INFO L754 eck$LassoCheckResult]: Loop: 10#L24-3true assume !!(main_~i~0#1 <= main_~n~0#1);main_~sn~0#1 := 2 + main_~sn~0#1; 8#L26true assume 4 == main_~i~0#1;main_~sn~0#1 := -10; 6#L24-2true main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 10#L24-3true [2022-07-23 15:06:45,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:45,071 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-07-23 15:06:45,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:45,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642813744] [2022-07-23 15:06:45,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:45,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:45,156 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:45,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:45,184 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:45,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:45,187 INFO L85 PathProgramCache]: Analyzing trace with hash 39821, now seen corresponding path program 1 times [2022-07-23 15:06:45,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:45,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304405232] [2022-07-23 15:06:45,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:45,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:45,196 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:45,202 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:45,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:45,204 INFO L85 PathProgramCache]: Analyzing trace with hash 28698763, now seen corresponding path program 1 times [2022-07-23 15:06:45,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:45,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077171412] [2022-07-23 15:06:45,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:45,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:45,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:06:45,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:06:45,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077171412] [2022-07-23 15:06:45,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077171412] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:06:45,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:06:45,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 15:06:45,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186730888] [2022-07-23 15:06:45,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:06:45,360 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 15:06:45,366 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 15:06:45,366 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 15:06:45,366 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 15:06:45,366 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-23 15:06:45,367 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:45,367 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 15:06:45,367 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 15:06:45,367 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01_bug02_sum01_bug02_base.case.i_Iteration1_Loop [2022-07-23 15:06:45,367 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 15:06:45,367 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 15:06:45,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:45,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:45,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:45,489 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 15:06:45,490 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-23 15:06:45,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:45,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:45,494 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:45,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-23 15:06:45,496 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 15:06:45,496 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:06:45,513 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-23 15:06:45,514 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2#1=0} Honda state: {ULTIMATE.start_main_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-23 15:06:45,530 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-07-23 15:06:45,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:45,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:45,536 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:45,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-23 15:06:45,544 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 15:06:45,544 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:06:45,558 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-23 15:06:45,558 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~sn~0#1=-10} Honda state: {ULTIMATE.start_main_~sn~0#1=-10} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-23 15:06:45,575 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-07-23 15:06:45,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:45,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:45,577 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:45,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-23 15:06:45,580 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 15:06:45,580 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:06:45,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:45,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:45,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:45,608 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:45,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-23 15:06:45,610 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-23 15:06:45,610 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:06:45,629 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-23 15:06:45,645 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-07-23 15:06:45,646 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 15:06:45,646 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 15:06:45,646 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 15:06:45,646 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 15:06:45,646 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 15:06:45,646 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:45,646 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 15:06:45,646 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 15:06:45,646 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01_bug02_sum01_bug02_base.case.i_Iteration1_Loop [2022-07-23 15:06:45,646 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 15:06:45,646 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 15:06:45,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:45,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:45,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:45,709 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 15:06:45,713 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 15:06:45,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:45,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:45,720 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:45,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-23 15:06:45,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:45,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:45,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:45,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:45,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:45,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:45,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:45,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:45,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:45,754 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:45,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:45,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:45,756 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:45,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-23 15:06:45,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:45,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:45,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:45,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:45,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:45,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:45,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:45,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:45,780 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 15:06:45,783 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-23 15:06:45,784 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-23 15:06:45,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:45,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:45,785 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:45,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-23 15:06:45,789 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 15:06:45,790 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-23 15:06:45,790 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 15:06:45,790 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 9 Supporting invariants [] [2022-07-23 15:06:45,807 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-07-23 15:06:45,810 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-23 15:06:45,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:45,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 15:06:45,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:06:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:45,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 15:06:45,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:06:45,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:06:45,913 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-23 15:06:45,914 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:45,960 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 47 transitions. Complement of second has 7 states. [2022-07-23 15:06:45,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-23 15:06:45,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:45,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2022-07-23 15:06:45,969 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 2 letters. Loop has 3 letters. [2022-07-23 15:06:45,970 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:06:45,970 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 5 letters. Loop has 3 letters. [2022-07-23 15:06:45,970 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:06:45,970 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 2 letters. Loop has 6 letters. [2022-07-23 15:06:45,971 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:06:45,971 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 47 transitions. [2022-07-23 15:06:45,976 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-23 15:06:45,979 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 12 states and 15 transitions. [2022-07-23 15:06:45,980 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-07-23 15:06:45,980 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2022-07-23 15:06:45,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2022-07-23 15:06:45,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-23 15:06:45,981 INFO L369 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2022-07-23 15:06:45,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2022-07-23 15:06:46,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2022-07-23 15:06:46,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:46,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2022-07-23 15:06:46,002 INFO L392 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-07-23 15:06:46,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:06:46,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 15:06:46,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 15:06:46,006 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:46,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:06:46,018 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2022-07-23 15:06:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 15:06:46,020 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2022-07-23 15:06:46,022 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-23 15:06:46,022 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 18 transitions. [2022-07-23 15:06:46,022 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-07-23 15:06:46,022 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-07-23 15:06:46,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 18 transitions. [2022-07-23 15:06:46,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-23 15:06:46,022 INFO L369 hiAutomatonCegarLoop]: Abstraction has 15 states and 18 transitions. [2022-07-23 15:06:46,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 18 transitions. [2022-07-23 15:06:46,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 12. [2022-07-23 15:06:46,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:46,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2022-07-23 15:06:46,024 INFO L392 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2022-07-23 15:06:46,024 INFO L374 stractBuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2022-07-23 15:06:46,024 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-23 15:06:46,024 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2022-07-23 15:06:46,025 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-23 15:06:46,025 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:06:46,025 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:06:46,025 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-23 15:06:46,025 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-23 15:06:46,025 INFO L752 eck$LassoCheckResult]: Stem: 116#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(36, 2); 117#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_~i~0#1, main_~n~0#1, main_~sn~0#1;havoc main_~i~0#1;main_~n~0#1 := (if main_#t~nondet1#1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet1#1 % 4294967296 % 4294967296 else main_#t~nondet1#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet1#1;main_~sn~0#1 := 0;main_~i~0#1 := 1; 125#L24-3 assume !!(main_~i~0#1 <= main_~n~0#1);main_~sn~0#1 := 2 + main_~sn~0#1; 122#L26 [2022-07-23 15:06:46,026 INFO L754 eck$LassoCheckResult]: Loop: 122#L26 assume !(4 == main_~i~0#1); 118#L24-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 119#L24-3 assume !!(main_~i~0#1 <= main_~n~0#1);main_~sn~0#1 := 2 + main_~sn~0#1; 122#L26 [2022-07-23 15:06:46,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:46,026 INFO L85 PathProgramCache]: Analyzing trace with hash 29863, now seen corresponding path program 1 times [2022-07-23 15:06:46,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:46,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568460764] [2022-07-23 15:06:46,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:46,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:46,043 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:46,057 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:46,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:46,058 INFO L85 PathProgramCache]: Analyzing trace with hash 44743, now seen corresponding path program 1 times [2022-07-23 15:06:46,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:46,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124113897] [2022-07-23 15:06:46,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:46,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:46,062 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:46,065 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:46,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:46,065 INFO L85 PathProgramCache]: Analyzing trace with hash 889663585, now seen corresponding path program 1 times [2022-07-23 15:06:46,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:46,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019111234] [2022-07-23 15:06:46,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:46,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:46,089 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:46,104 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:46,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:46,129 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 15:06:46,129 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 15:06:46,129 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 15:06:46,129 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 15:06:46,129 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-23 15:06:46,129 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:46,130 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 15:06:46,130 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 15:06:46,130 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01_bug02_sum01_bug02_base.case.i_Iteration2_Loop [2022-07-23 15:06:46,130 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 15:06:46,130 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 15:06:46,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:46,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:46,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:46,177 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 15:06:46,177 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-23 15:06:46,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:46,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:46,180 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:46,190 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 15:06:46,190 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:06:46,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-23 15:06:46,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:46,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:46,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:46,229 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:46,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-23 15:06:46,231 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-23 15:06:46,231 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:06:46,252 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-23 15:06:46,252 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~sn~0#1=0} Honda state: {ULTIMATE.start_main_~sn~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~sn~0#1=4}, {ULTIMATE.start_main_~sn~0#1=0}, {ULTIMATE.start_main_~sn~0#1=-2}] Lambdas: [1, 6, 1] Nus: [0, 0] [2022-07-23 15:06:46,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:46,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:46,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:46,273 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:46,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-23 15:06:46,275 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 15:06:46,275 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:06:46,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:46,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:46,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:46,317 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:46,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-23 15:06:46,320 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-23 15:06:46,320 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:06:46,436 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-23 15:06:46,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:46,440 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 15:06:46,440 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 15:06:46,440 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 15:06:46,440 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 15:06:46,440 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 15:06:46,440 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:46,440 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 15:06:46,440 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 15:06:46,440 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01_bug02_sum01_bug02_base.case.i_Iteration2_Loop [2022-07-23 15:06:46,441 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 15:06:46,441 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 15:06:46,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:46,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:46,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:46,497 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 15:06:46,498 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 15:06:46,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:46,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:46,499 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:46,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:46,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:46,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:46,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:46,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:46,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:46,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:46,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:46,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-23 15:06:46,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:46,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:46,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:46,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:46,560 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:46,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-23 15:06:46,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:46,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:46,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:46,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:46,569 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-23 15:06:46,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:46,571 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 15:06:46,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:46,573 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 15:06:46,577 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-23 15:06:46,577 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-23 15:06:46,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:46,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:46,578 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:46,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-23 15:06:46,623 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 15:06:46,623 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-23 15:06:46,624 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 15:06:46,624 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2022-07-23 15:06:46,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:46,640 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-23 15:06:46,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:46,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:46,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 15:06:46,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:06:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:46,676 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 15:06:46,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:06:46,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:06:46,698 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-23 15:06:46,698 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:46,721 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 19 states and 24 transitions. Complement of second has 6 states. [2022-07-23 15:06:46,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-23 15:06:46,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:46,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2022-07-23 15:06:46,724 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 3 letters. Loop has 3 letters. [2022-07-23 15:06:46,724 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:06:46,724 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 6 letters. Loop has 3 letters. [2022-07-23 15:06:46,724 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:06:46,724 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 3 letters. Loop has 6 letters. [2022-07-23 15:06:46,725 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:06:46,725 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 24 transitions. [2022-07-23 15:06:46,726 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 15:06:46,726 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2022-07-23 15:06:46,726 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-23 15:06:46,726 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-23 15:06:46,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-23 15:06:46,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:06:46,726 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 15:06:46,726 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 15:06:46,726 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 15:06:46,727 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-23 15:06:46,727 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-23 15:06:46,727 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 15:06:46,727 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-23 15:06:46,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.07 03:06:46 BoogieIcfgContainer [2022-07-23 15:06:46,736 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-23 15:06:46,736 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 15:06:46,736 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 15:06:46,736 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 15:06:46,737 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:06:44" (3/4) ... [2022-07-23 15:06:46,744 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-23 15:06:46,744 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 15:06:46,745 INFO L158 Benchmark]: Toolchain (without parser) took 2230.21ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 59.0MB in the beginning and 64.3MB in the end (delta: -5.4MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2022-07-23 15:06:46,745 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory was 46.4MB in the beginning and 46.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:06:46,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.61ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 58.8MB in the beginning and 86.5MB in the end (delta: -27.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-23 15:06:46,746 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.46ms. Allocated memory is still 111.1MB. Free memory was 86.5MB in the beginning and 84.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 15:06:46,747 INFO L158 Benchmark]: Boogie Preprocessor took 30.64ms. Allocated memory is still 111.1MB. Free memory was 84.9MB in the beginning and 84.1MB in the end (delta: 756.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:06:46,747 INFO L158 Benchmark]: RCFGBuilder took 202.15ms. Allocated memory is still 111.1MB. Free memory was 84.1MB in the beginning and 75.4MB in the end (delta: 8.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-23 15:06:46,748 INFO L158 Benchmark]: BuchiAutomizer took 1752.87ms. Allocated memory is still 111.1MB. Free memory was 75.4MB in the beginning and 64.3MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-23 15:06:46,748 INFO L158 Benchmark]: Witness Printer took 8.05ms. Allocated memory is still 111.1MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:06:46,750 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory was 46.4MB in the beginning and 46.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 201.61ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 58.8MB in the beginning and 86.5MB in the end (delta: -27.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.46ms. Allocated memory is still 111.1MB. Free memory was 86.5MB in the beginning and 84.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.64ms. Allocated memory is still 111.1MB. Free memory was 84.9MB in the beginning and 84.1MB in the end (delta: 756.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 202.15ms. Allocated memory is still 111.1MB. Free memory was 84.1MB in the beginning and 75.4MB in the end (delta: 8.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1752.87ms. Allocated memory is still 111.1MB. Free memory was 75.4MB in the beginning and 64.3MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 8.05ms. Allocated memory is still 111.1MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 9 and consists of 5 locations. One deterministic module has affine ranking function -1 * i + n and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 14 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax100 hnf100 lsp77 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq174 hnf93 smp100 dnf132 smp100 tf107 neg97 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 64ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-23 15:06:46,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:46,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE